Buffer overflow in Freerdp
CVE-2026-111382
FreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and general_ChromaV2ToYUV444 that allows malicious RDP servers to corrupt client memory. Attackers can send RDPGFX AVC444 or AVC444v2 frames with odd-height region rects ending at surface height to write past U/V planes, enabling heap corruption and potential code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-f4pf-pgp4-f2r3 (vendor-advisory)
- www.vulncheck.com/advisories/freerdp-before-3.32.0-heap-out-of-bounds-write-in-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111382?
- CVE-2026-111382 is a high-severity vulnerability in Freerdp, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-10-16.
- How severe is CVE-2026-111382?
- High severity. CVSS v3 base score is 8.8 out of 10.